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diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/MmPciRootBridgeIo.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/MmPciRootBridgeIo.h
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+++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/MmPciRootBridgeIo.h
@@ -0,0 +1,37 @@
+/** @file
+ MM PCI Root Bridge IO protocol as defined in the PI 1.5 specification.
+
+ This protocol provides PCI I/O and memory access within MM.
+
+ Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _MM_PCI_ROOT_BRIDGE_IO_H_
+#define _MM_PCI_ROOT_BRIDGE_IO_H_
+
+#include <Protocol/PciRootBridgeIo.h>
+
+#define EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID \
+ { \
+ 0x8bc1714d, 0xffcb, 0x41c3, { 0x89, 0xdc, 0x6c, 0x74, 0xd0, 0x6d, 0x98, 0xea } \
+ }
+
+///
+/// This protocol provides the same functionality as the PCI Root Bridge I/O Protocol defined in the
+/// UEFI 2.1 Specifcation, section 13.2, except that the functions for Map() and Unmap() may return
+/// EFI_UNSUPPORTED.
+///
+typedef EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL;
+
+extern EFI_GUID gEfiMmPciRootBridgeIoProtocolGuid;
+
+#endif
+